Multicellular aggregates: a model system for tissue rheologyTomita Vasilica Stirbat, Sham Tlili, Thibault Houver, Jean-Paul Rieu, Catherine Barentin and Hélène Delanoë-AyariEur. Phys. J. E, 36 8 (2013) 84DOI: https://doi.org/10.1140/epje/i2013-13084-1